Home / 916,922.30-1,372,273.05-804,947.90

Finding the Fourth Proportional to 916,922.30, 1,372,273.05 and 804,947.90

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Solution

The fourth proportional to 916,922.30, 1,372,273.05 and 804,947.90 is: 1,204,691.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,922.30 : 1,372,273.05 = 804,947.90 : x
  2. Step 2: Convert to fraction form
    916,922.30/1,372,273.05 = 804,947.90/x
  3. Step 3: Cross multiply
    916,922.30x = 1,372,273.05 × 804,947.90
  4. Step 4: Simplify right side
    916,922.30x = 1,104,608,309,824.10
  5. Step 5: Solve for x
    x = 1,104,608,309,824.10/916,922.30
  6. Step 6: Final answer
    x = 1,204,691.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.